Rachel T. Diaz, DO
Family Medicine Physician · Oklahoma City, OK
Rachel T. Diaz, DO is a family medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1326614918, issued on Jun 3, 2021. Check the license (Oklahoma 7707, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Rachel T. Diaz
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 7707 OK
Self-reported in NPPES; status is on the state search - Practice location
- 309 S Ann Arbor Ave, Oklahoma City, OK 73128
- Phone
- (405) 948-4900
- Enumerated
- Jun 3, 2021
- Record last updated
- Apr 14, 2026
- Fax
- (405) 948-4933
- Medicare enrollment
- Enrolled (PECOS I20241122002763); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 309 S Ann Arbor Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mia Anderson, LPCMental Health Counselor1962806513
- Marianne Bacharach, MDEmergency Medicine Physician1811916042
- Lauren Barrett, PA-CPhysician Assistant1932617594
- Shari Cornelius, RNCase Management Registered Nurse1225884547
- Clarissa Dillard, RNCase Management Registered Nurse1912739392
- William Ebke, ODOptometrist1659982510
Verify Rachel T. Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 7707Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
414 Medicare Part D claims for 66 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium30 claims
- Amlodipine Besylate24 claims
- Hydrochlorothiazide23 claims
- Gabapentin18 claims
- Lantus Solostar15 claims
- Duloxetine Hcl14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Absentee Shawnee Tribal Health Authority, IncNorman, OK
- Central Oklahoma American Indian Health Council, Inc.Oklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
478 family medicine physician records list a practice address in Oklahoma City
They are 478 of the 22,359 NPPES records with a practice address in Oklahoma City, and 2,303 family medicine physician records in Oklahoma.
All 478 in Oklahoma City → All 2,303 in Oklahoma → Every provider in Oklahoma City →
Other family medicine physician records in Oklahoma
- Michael Aaron, M.D.Weatherford, OK1700958659
- Shams Abbas, MDOklahoma City, OK1639607963
- Nicole Abel, DOTulsa, OK1073142022
- Robert Abell, MDOklahoma City, OK1336179126
- Penny AberOklahoma City, OK1982530432
- Bob Abernathy, DOCordell, OK1114920071
- Rochelle Ablah, MDOklahoma City, OK1366656647
- Alireza Abolmaali Damghani, MDMidwest City, OK1427275775
- Akram Abraham, M.D.Hollis, OK1609857754
- John Abraham, MDTulsa, OK1962634535
Common questions
What is Rachel T. Diaz, DO's NPI number?
Rachel T. Diaz, DO's National Provider Identifier (NPI) is 1326614918, issued on Jun 3, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Rachel T. Diaz, DO located?
The NPPES record lists a practice address at 309 S Ann Arbor Ave, Oklahoma City, OK, 73128. Phone: (405) 948-4900. Providers update this record themselves, so call before visiting.
How can I verify Rachel T. Diaz, DO's license?
NPPES lists Oklahoma license number 7707, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rachel T. Diaz, DO prescribe under Medicare Part D?
In 2024, Rachel T. Diaz, DO had 414 Medicare Part D claims for 66 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.